Các câu hỏi tương tự
Tìm x:
a) 2/5 = 3/4 : x = -1/2
b) 5/7 - 2/3 . x = 4/5
c) 1/2x + 3/5x = -2/3
d) 4/7x - x = -9/14
tìm x:
a, (2x-5)^3=216
b, 2x-3 chia hết cho x+4( với x thuộc z)
c,|x-18|-2x+14=47
d,1 phần 6+ 5 phần 6:x = 7 phần12
Tìm x:
a, \(x-\dfrac{1}{4}=\dfrac{7}{2}.\dfrac{-3}{5}\)
b, \(\dfrac{x}{134}=\dfrac{9}{7}.\dfrac{5}{-11}\)
Tìm x:a) x - 2 + 7 = 1 . 3 . -9
b) 4 . x - 1 = (-5) 5 12 2 4 16 9 2 9
c) -2 . x + 5 = 7
d) 2 . x : 7 . 1 = 29 3 8 12 5 3 8 15
Tìm x:
a) \(\dfrac{-x}{4}=\dfrac{-9}{x}\)
b) \(\dfrac{5}{9}+\dfrac{x}{-1}=\dfrac{-1}{3}\)
c) \(x:3\dfrac{1}{15}=1\dfrac{1}{2}\)
d) \(\dfrac{3x-1}{-5}=\dfrac{-5}{3x-1}\)
1 tháng 10 2021 lúc 21:37
Bài3:Tìm x:a) 71 – (33 + x) 26b) (x + 73) – 26 76c) 45 – (x + 9) 6d) 89 – (73 – x) 20e) 4(x + 41) 400f) 11(x – 9) 77g) (x + 7) – 25 13h) 198 – (x + 4) 120i) 5(x – 9) 350j) 2x – 49 5.32k) 25 + 3(x – 8) 106l) 32(x + 4) – 52 5.22m) 200 – (2x + 6) 43n) 2(x- 51) 2.23 + 20o) 450 : (x – 19) 50p) 4(x – 3) 72 – 110q) 156 – (x+ 61) 82r) (x-35) -120 0
Đọc tiếp
Bài3:Tìm x:
a) 71 – (33 + x) = 26 b) (x + 73) – 26 = 76 c) 45 – (x + 9) = 6 d) 89 – (73 – x) = 20 e) 4(x + 41) = 400 f) 11(x – 9) = 77 | g) (x + 7) – 25 = 13 h) 198 – (x + 4) = 120 i) 5(x – 9) = 350 j) 2x – 49 = 5.32 k) 25 + 3(x – 8) = 106 l) 32(x + 4) – 52 = 5.22 | m) 200 – (2x + 6) = 43 n) 2(x- 51) = 2.23 + 20 o) 450 : (x – 19) = 50 p) 4(x – 3) = 72 – 110 q) 156 – (x+ 61) = 82 r) (x-35) -120 = 0 |
Tìm x:a) x - 2 + 7 = 1 . 3 . -9
b) 4 . x - 1 = (-5) 5 12 2 4 16 9 2 9
c) -2 . x + 5 = 7
d) 2 . x : 7 . 1 = 29 3 8 12 5 3 8 15
Tìm x thuộc Z biết:
a. x-3/4=15/20
b.x/9=4/x
Tìm x:a)3,2 . x+(-1,2)x+2,7=-4,9
b)1,5/x=112/-4
c)(x-7)/(y-5)=4/9